Article 6 Vehicles
(1)
The Department may make regulations providing for vehicles to be smoke-free.
(2)
The regulations may in particular make provision—
(a)
for the descriptions of vehicle which are to be smoke-free,
(b)
for the circumstances in which they are to be smoke-free,
(c)
for them to be smoke-free only in specified areas, or except in specified areas,
(d)
for exemptions.